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ICSE Class 10 Chemistry 2016 Paper

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Question : 79 of 85
Marks: +1, -0
Write the equation for the reaction that occurs at the cathode during the extraction of aluminium by electrolysis.
Solution:  
At Cathode: Al3++3e−→Al\mathrm{Al}^{3+} + 3\mathrm{e}^- \rightarrow \mathrm{Al}
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